// 在这里先判断是否可以调用支付
-(void)isPay{// 判断用户是否禁止了苹果支付if ([SKPaymentQueue canMakePayments]) {// 1.获取产品信息列表[self requestProductData:PRODUCTID];}else{self.alertTitle   = @"充值失败";self.alertMessage = @"您禁止了支付权限!";#if __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_8_0// 不能进行支付进行提示[self.viewController presentViewController:self.alertController animated:YES completion:nil];
#else[self.viewController.view addSubview:self.alertView];
#endif}
}

- (void)requestProductData:(NSString *)productId{NSArray * productArray = [[NSArray alloc]initWithObjects:productId, nil];NSSet   * productSet = [NSSet setWithArray:productArray];// 创建支付请求SKProductsRequest * productRequest = [[SKProductsRequest alloc]initWithProductIdentifiers:productSet];productRequest.delegate = self;[productRequest start];
}

#pragma mark -- SKRequestDelegate
// 下面的方法会接收苹果服务器返回的商品的产品信息
// Sent immediately before -requestDidFinish:
- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response {// 接收商品的信息NSArray * productInfo = response.products;if (productInfo.count ==0) {NSLog(@"接收到的商品的信息为空！");return;}else{// 打印出商品信息  以下的信息全都是在你开发者账号下面添加了内购项目中填写for (SKProduct *pro in productInfo) {NSLog(@"显示名称：%@", [pro localizedTitle]);NSLog(@"描述：%@", [pro localizedDescription]);NSLog(@"你设置的价格单位：%@", [pro price]);              // 注意这里的单位，是用你在内购项目里面设置的定价NSLog(@"单位：%@", [pro.priceLocale objectForKey:NSLocaleCurrencySymbol]);NSLog(@"CNY：%@", [pro.priceLocale objectForKey:NSLocaleCurrencyCode]);NSLog(@"测试商品ID：%@", [pro productIdentifier]);}}// SKProduct对象包含了在App Store上注册的商品的本地化信息。SKProduct *storeProduct = nil;for (SKProduct * pro in productInfo) {if ([pro.productIdentifier isEqualToString:PRODUCTID]) {storeProduct = pro;}}//创建一个支付对象，并放到队列中self.skMutablePayment = [SKMutablePayment paymentWithProduct:storeProduct];//设置购买的数量 具体的交易金额就是这里的  数量 * 开发者账号定价if (self.payParments != 0) {//开始调用支付    self.skMutablePayment.quantity = self.payParments;[[SKPaymentQueue defaultQueue] addPayment:self.skMutablePayment];// 开始一个内购监听[self startObserver];}else{NSLog(@"没有设置购买的数量！！");}
}

- (void)startObserver {if (!self.isObserver) {[[SKPaymentQueue defaultQueue] addTransactionObserver:self];NSLog(@"开始监听 ------ 内购");self.isObserver = YES;}
}- (void)stopObserver {if (self.isObserver) {[[SKPaymentQueue defaultQueue] removeTransactionObserver:self];NSLog(@"移除监听 ------ 内购");self.isObserver = NO;}
}

#pragma mark -- SKPaymentTransactionObserver
//<SKPaymentTransactionObserver>千万不要忘记绑定，代码如下：
//监听购买结果
//[[SKPaymentQueue defaultQueue] addTransactionObserver:self];
- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray<SKPaymentTransaction *> *)transactions
{SKPaymentTransaction *transaction = transactions.lastObject;switch (transaction.transactionState) {// 购买成功case SKPaymentTransactionStatePurchased: {NSData *data = [NSData dataWithContentsOfFile:[[[NSBundle mainBundle] appStoreReceiptURL] path]];// 刚才交易的内购的清单NSString *receipt = [data base64EncodedStringWithOptions:0];NSLog(@"刚才交易的内购的清单:%@",receipt);// 对交易结果进行二次验证[self verifyPruchase];}break;// 交易失败case SKPaymentTransactionStateFailed: {NSLog(@"交易失败");// 交易失败也要回调服务端// 将交易从交易队列中删除[[SKPaymentQueue defaultQueue] finishTransaction:transaction];}break;case SKPaymentTransactionStateRestored: {NSLog(@"这是你已经购买过该商品！");[[SKPaymentQueue defaultQueue] finishTransaction:transaction];}break;case SKPaymentTransactionStatePurchasing: {NSLog(@"商品添加进列表");}break;default: {NSLog(@"这是什么情况啊？");}break;}
}

#pragma mark 验证购买凭据
- (void)verifyPruchase {// 验证凭据，获取到苹果返回的交易凭据// appStoreReceiptURL iOS7.0增加的，购买交易完成后，会将凭据存放在该地址NSURL *receiptURL = [[NSBundle mainBundle] appStoreReceiptURL];// 从沙盒中获取到购买凭据NSData *receiptData = [NSData dataWithContentsOfURL:receiptURL];// 发送网络POST请求，对购买凭据进行验证//测试验证地址:https://sandbox.itunes.apple.com/verifyReceipt//正式验证地址:https://buy.itunes.apple.com/verifyReceiptNSURL *url = [NSURL URLWithString:@"https://sandbox.itunes.apple.com/verifyReceipt"];NSMutableURLRequest *urlRequest =[NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10.0f];urlRequest.HTTPMethod = @"POST";NSString *encodeStr   = [receiptData base64EncodedStringWithOptions:NSDataBase64EncodingEndLineWithLineFeed];NSString *payload     = [NSString stringWithFormat:@"{\"receipt-data\" : \"%@\"}", encodeStr];NSData   *payloadData = [payload dataUsingEncoding:NSUTF8StringEncoding];urlRequest.HTTPBody   = payloadData;// 提交验证请求，并获得官方的验证JSON结果 iOS9后更改了另外的一个方法NSData *result = [NSURLConnection sendSynchronousRequest:urlRequest returningResponse:nil error:nil];// 官方验证结果为空if (result == nil) {NSLog(@"交易验证失败");return;}// 二次验证返回，在这里给服务端返回验证结果NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:result options:NSJSONReadingAllowFragments error:nil];if (dict != nil) {// 比对字典中以下信息基本上可以保证数据安全// bundle_id , application_version , product_id , transaction_idNSLog(@"验证成功！购买的商品的信息是：%@", dict);// 在这里回调Lua文件支付的结果NSDictionary * receipt = dict[@"receipt"];// 在连续的交易中，会有多笔交易产生NSArray * in_app  = receipt[@"in_app"];if (in_app.count !=0) {for (NSDictionary * dic in in_app) {// 订单号回调LuaNSString * transaction_id = dic[@"transaction_id"];[self toLuaFunc:self.handlerID backMsg:[transaction_id UTF8String]];}       }}else{// 交易不成功，回调LuaNSString * transaction_id = @" ";[self toLuaFunc:self.handlerID backMsg:[transaction_id UTF8String]];}
}

-- 点击跳转到苹果支付界面
function Bridge_ios.presentApplePayWithParams(payParam, callback)--quantity 价格   callback回调local params = {quantity = payParam, scriptHandler = callback}local ok,ret = luaoc.callStaticMethod(BRIDGE_CLASS,"presentApplePayController",params)if not ok then-- 返回值print("luaj error:"..ret)   end
end

// Lua 回调函数
- (void) toLuaFunc: (int)funC backMsg:(std::string)msg{
#if CC_ENABLE_SCRIPT_BINDINGint handler = funC;if (-1 != handler){auto sc = cocos2d::Director::getInstance()->getScheduler();sc->performFunctionInCocosThread([handler, msg](){cocos2d::LuaBridge::pushLuaFunctionById(handler);cocos2d::LuaStack *stack = cocos2d::LuaBridge::getStack();stack->pushString(msg.c_str());stack->executeFunction(1);cocos2d::LuaBridge::releaseLuaFunctionById(handler);});}
#endif
}